<div class="content__title">
    <h1>Download a file</h1>
</div>
<nz-card nzTitle="DEMO">
    <button nz-button *ngFor="let i of fileTypes" class="mr-sm" down-file [http-data]="data"
            http-url="assets/tmp/demo{{i}}" file-name="demo中文">{{i}}
    </button>
</nz-card>
